A broken sewer pipe is sent raw sewage onto New Haven Avenue, Route...

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Workers open a manhole cover on New Haven Avenue in Derby, Conn. after a blocked sewer pipe released raw sewage on to the road on Tuesday morning, January 14, 2014. John Saccu, chairman of the Water Pollution Control Authority, said that Department of Energy and Environmental Protection officials will determine the estimated flow and whether any of the sewage reached the nearby Housatonic River.

A worker hoses spilled sewage from New Haven Avenue in Derby, Conn. after a blocked sewer pipe overflowed on Tuesday morning, January 14, 2014. John Saccu, chairman of the Water Pollution Control Authority, said that Department of Energy and Environmental Protection officials will determine the estimated flow and whether any of the sewage reached the nearby Housatonic River.